72 lines
2.0 KiB
Swift
72 lines
2.0 KiB
Swift
//
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// Nexus.swift
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// FirebladeECS
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//
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// Created by Christian Treffs on 09.10.17.
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//
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public typealias EntityComponentHash = Int
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public typealias ComponentIndex = Int
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public extension ComponentIndex {
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static let invalid: ComponentIndex = Int.min
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}
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public typealias UniformComponents = ContiguousArray<Component>
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public typealias ComponentIdentifiers = ContiguousArray<ComponentIdentifier>
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public typealias Entities = ContiguousArray<Entity>
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public class Nexus {
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/// - Index: index value matching entity identifier shifted to Int
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/// - Value: each element is a entity instance
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var entities: Entities
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/// - Key: component type identifier
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/// - Value: each element is a component instance of the same type (uniform). New component instances are appended.
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var componentsByType: [ComponentIdentifier: UniformComponents]
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/// - Key: 'entity id' - 'component type' hash that uniquely links both
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/// - Value: each element is an index pointing to the component instance index in the componentsByType map.
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var componentIndexByEntityComponentHash: [EntityComponentHash: ComponentIndex]
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var componentIdsByEntityIdx: [EntityIndex: ComponentIdentifiers]
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public init() {
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entities = Entities()
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componentsByType = [:]
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componentIndexByEntityComponentHash = [:]
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componentIdsByEntityIdx = [:]
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}
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}
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extension Nexus {
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func notify(_ event: Event) {
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Log.debug(event)
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// TODO: implement
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}
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}
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/*
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// MARK: - event handler
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extension Nexus {
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func handleEntityCreated(_ e: EntityCreated) { print(e) }
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func handleEntityDestroyed(_ e: EntityDestroyed) { print(e) }
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func handleComponentAdded(_ e: ComponentAdded) { print(e) }
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func handleComponentUpdated(_ e: ComponentUpdated) { print(e) }
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func handleComponentRemoved(_ e: ComponentRemoved) { print(e) }
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func handleFamilyCreated(_ e: FamilyCreated) {
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print(e)
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let newFamily: Family = e.family
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onFamilyCreated(newFamily)
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}
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func handleFamilyMemberAdded(_ e: FamilyMemberAdded) { print(e) }
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func handleFamilyMemberRemoved(_ e: FamilyMemberRemoved) { print(e) }
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func handleFamilyDestroyed(_ e: FamilyDestroyed) { print(e) }
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}
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*/
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